Hi guys can anyone answer this please¿

Answer:
1.if children is lack of sleep it may decreased brain development, learning problems and more frequent negative emotions.
2.it's true because students in lower grades still need a support
3.everyone must follow health protocols to prevent the spread of the COVID-19
4.it is helpful but still need a face-to-face class
5.everyone must follow it for own safety
Explanation:
Correct me if I'm wrong